body {
  background: #cecdfc;
  margin: 0;
}
#yyjc {
  margin-top: 57px;
  margin-bottom: 10px;
}
#yyjc2 {
  background: white;
  text-align: center;
  height: 500px;
}
#yyjc1 img {
  width: 100%;
  height: 500px;
}
#yyjc2 img {
  width: 100%;
  height: 200px;
}
#yyjcnr {
  background: #f1fafa;
  margin-bottom: 10px;
}
#y1 {
  width: 100%;
  height: 400px;
  margin-top: 50px;
}
#picture2 img {
  width: 80%;
  height: 250px;
}
#picture4 img {
  width: 80%;
  height: 120px;
}
#foot {
  margin-top: 10px;
  text-align: center;
}
